{"id":3681,"date":"2014-07-11T00:52:06","date_gmt":"2014-07-10T23:52:06","guid":{"rendered":"https:\/\/www.preservons-la-nature.fr\/blog\/?p=3681"},"modified":"2014-06-27T08:06:36","modified_gmt":"2014-06-27T07:06:36","slug":"euphorbia-segetalis-subsp-portlandica-l-litard-euphorbe-de-portland","status":"publish","type":"post","link":"https:\/\/preservons-la-nature.fr\/blog\/?p=3681","title":{"rendered":"Euphorbia segetalis subsp. portlandica (L.) Litard. ( Euphorbe de Portland )"},"content":{"rendered":"

Une fiche plus récente existe, vous pouvez la consulter ICI<\/a><\/STRONG>

\"Euphorbia<\/a>

Euphorbia segetalis subsp. portlandica (L.) Litard. ( Euphorbe de Portland )<\/p><\/div><\/p>\n

Nom :<\/span><\/strong> Euphorbia segetalis subsp. portlandica (L.) Litard.<\/i> ( Euphorbe de Portland )<\/p>\n

Famille :<\/span><\/strong> EUPHORBIACEAE<\/p>\n

Floraison :<\/span><\/strong> Mai – Juillet<\/p>\n

Description dans la flore de Coste :<\/span><\/strong>
\nPlante de 10-40 cm, ordinairement bisannuelle, glabre, Il racine pivotante ; tige rameuse d\u00e8s la base, \u00e0 rameaux en buisson, les st\u00e9riles assez nombreux ; feuilles tr\u00e8s rapproch\u00e9es ou imbriqu\u00e9es, dress\u00e9es, courtes (rarement plus d’un cm de long), obovales-lanc\u00e9ol\u00e9es, obtuses, mucronul\u00e9es, un peu \u00e9paisses ; ombelle \u00e0 4-6 rayons ; bract\u00e9es subrhombo\u00efdales ; glandes en croissant \u00e0 longues cornes ; capsule et graines comme le pr\u00e9c\u00e9dent.<\/p>\n

\"Euphorbia<\/a>

Euphorbia segetalis subsp. portlandica (L.) Litard. ( Euphorbe de Portland )<\/p><\/div>\n

Pr\u00e9sent dans le(s) d\u00e9partement(s) suivant(s) :<\/span><\/strong>
\nCalvados, Charente-Maritime, C\u00f4tes-d’Armor, Finist\u00e8re, Ille-et-Vilaine, Loire-Atlantique, Manche, Morbihan, Vend\u00e9e.<\/p>\n

\"R\u00e9partition<\/a>

R\u00e9partition d’Euphorbia segetalis subsp. portlandica (L.) Litard. ( Euphorbe de Portland )<\/p><\/div>\n

Phytosociologie :<\/span><\/i><\/strong><\/p>\n\n\n\n\n\n
Alliance<\/td>\nOrdre<\/td>\nClasse<\/td>\n<\/tr>\n
Crithmo maritimi-Armerion maritimae<\/strong><\/td>\nCrithmo maritimi-Armerietalia maritimae<\/strong><\/td>\nAsteretea tripolii<\/strong><\/td>\n<\/tr>\n
Communaut\u00e9s cantabro-atlantiques.<\/td>\nPelouses pionni\u00e8res plus ou moins chasmophytiques, a\u00e9rohalines et m\u00e9sophiles des falaises littorales atlantiques.<\/td>\nV\u00e9g\u00e9tation des \u00ab\u00a0pr\u00e9s sal\u00e9s\u00a0\u00bb atlantiques \u00e0 dominance d\u2019h\u00e9micryptophytes et des pelouses a\u00e9rohalines des falaises.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n
Alliance<\/td>\nOrdre<\/td>\nClasse<\/td>\n<\/tr>\n
Dactylido oceanicae-Ulicion maritimi<\/strong><\/td>\nUlicetalia minoris<\/strong><\/td>\nCalluno vulgaris-Ulicetea minoris<\/strong><\/td>\n<\/tr>\n
Communaut\u00e9s maritimes atlantiques, g\u00e9n\u00e9ralement primaires.<\/td>\nLandes cantabro- et m\u00e9diterran\u00e9o-atlantiques.<\/td>\nV\u00e9g\u00e9tation de lande, \u00e0 dominance de cham\u00e9phytes et nanophan\u00e9rophytes, appartenant principalement aux Ericac\u00e9es et Fabac\u00e9es.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n
Alliance<\/td>\nOrdre<\/td>\nClasse<\/td>\n<\/tr>\n
Euphorbio portandlicae-Helichrysion staechadis<\/strong><\/td>\nArtemisio lloydii-Koelerietalia albescentis<\/strong><\/td>\nKoelerio glaucae-Corynephoretea canescentis<\/strong><\/td>\n<\/tr>\n
Communaut\u00e9s cantabro-atlantiques \u00e0 m\u00e9so-m\u00e9diterran\u00e9ennes occidentales, parsem\u00e9es de cham\u00e9phytes et souvent riches en Bryophytes.<\/td>\nCommunaut\u00e9s des arri\u00e8re-dunes atlantiques fix\u00e9es, sur sables plus ou moins calcaires et sans saupoudrage important d’ar\u00e8nes.<\/td>\nPelouses pionni\u00e8res, \u00e0 dominance d\u2019h\u00e9micryptophytes (plus ou moins riches en annuelles), atlantiques \u00e0 m\u00e9dioeurop\u00e9ennes, sur sables plus ou moins stabilis\u00e9s.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n
Alliance<\/td>\nOrdre<\/td>\nClasse<\/td>\n<\/tr>\n
Gentianello amarellae-Avenulion pratensis<\/strong><\/td>\nBrometalia erecti<\/strong><\/td>\nFestuco valesiacae-Brometea erecti<\/strong><\/td>\n<\/tr>\n
Communaut\u00e9s nord-atlantiques ; extr\u00eame Nord de la France.<\/td>\nCommunaut\u00e9s atlantiques \u00e0 subatlantiques.<\/td>\nPelouses \u00e0 dominance d\u2019h\u00e9micryptophytes, parfois landines et garrigues sous climat subm\u00e9diterran\u00e9en, x\u00e9rophiles \u00e0 m\u00e9sox\u00e9rophiles, collin\u00e9ennes \u00e0 montagnardes, europ\u00e9ennes et ouest-sib\u00e9riennes, surtout sur substrats carbonat\u00e9s ou basiques.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Taxonomie :<\/span><\/strong>
\nEuphorbia segetalis subsp. portlandica (L.) Litard.<\/i> a pour synonymes (Informations issues de la BDTFX Version 2.0, Tela Botanica<\/a>) :
\n– Allobia portlandica (L.) Raf.
\n– Esula portlandica (L.) Haw.
\n– Euphorbia imbricata Vahl
\n– Euphorbia pinea subsp. portlandica (L.) Bonnier & Layens
\n– Euphorbia portlandica L.
\n– Euphorbia segetalis proles portlandica (L.) Rouy
\n– Euphorbia segetalis subsp. portlandica (L.) P.Fourn.
\n– Euphorbia segetalis var. portlandica (L.) Cout.
\n– Tithymalus portlandicus (L.) Hill
\n<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"

Une fiche plus récente existe, vous pouvez la consulter ICI Nom : Euphorbia segetalis subsp. portlandica (L.) Litard. ( Euphorbe de Portland ) Famille : EUPHORBIACEAE Floraison : Mai – Juillet Description dans la flore de Coste : Plante de … Continuer la lecture →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[102],"tags":[100],"class_list":["post-3681","post","type-post","status-publish","format-standard","hentry","category-fiche-partielle-de-plantes","tag-euphorbiacees"],"_links":{"self":[{"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3681","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3681"}],"version-history":[{"count":2,"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3681\/revisions"}],"predecessor-version":[{"id":3686,"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3681\/revisions\/3686"}],"wp:attachment":[{"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/preservons-la-nature.fr\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}